package com.iot.modbus_rtcp;

import com.iot.modbus_rtcp.utils.HexUtil;
import org.junit.jupiter.api.Test;

/**
 * @author <a href="mailto:shilong.wang@alpha-ess.com">王仕龙</a>
 * 2024/11/28 18:52
 */
public class GatewayTest {

    @Test
    public void testConverterHeartbeat() {
        String s1 = "4B454E454E4731343030303030333538";
        String s2 = "KENENG1400000358";
        System.out.println(new String(HexUtil.hexStringToBytes(s1)));
        System.out.println(HexUtil.bytesToHexString(s2.getBytes()));


        String hex = "333538";
        int decimal = 0;
        int power = 0;
        for (int i = hex.length() - 1; i >= 0; i--) {
            char digit = hex.charAt(i);
            if (digit >= '0' && digit <= '9') {
                decimal += (digit - '0') * Math.pow(16, power);
            } else if (digit >= 'A' && digit <= 'F') {
                decimal += (digit - 'A' + 10) * Math.pow(16, power);
            } else if (digit >= 'a' && digit <= 'f') {
                decimal += (digit - 'a' + 10) * Math.pow(16, power);
            } else {
                throw new IllegalArgumentException("Invalid hex digit: " + digit);
            }
            power++;
        }
        System.out.println(decimal);
    }


}